update README (#4623)

README.rst

@@ -96,18 +96,10 @@ ACME spec: http://ietf-wg-acme.github.io/acme/
 
 ACME working area in github: https://github.com/ietf-wg-acme/acme
 
-
-Mailing list: `client-dev`_ (to subscribe without a Google account, send an
-email to client-dev+subscribe@letsencrypt.org)
-
 |build-status| |coverage| |docs| |container|
 
 .. _Freenode: https://webchat.freenode.net?channels=%23letsencrypt
 
-.. _OFTC: https://webchat.oftc.net?channels=%23certbot
-
-.. _client-dev: https://groups.google.com/a/letsencrypt.org/forum/#!forum/client-dev
-
 .. |build-status| image:: https://travis-ci.org/certbot/certbot.svg?branch=master
    :target: https://travis-ci.org/certbot/certbot
    :alt: Travis CI status
@@ -141,7 +133,7 @@ Current Features
 * Supports multiple web servers:
 
   - apache/2.x (beta support for auto-configuration)
-  - nginx/0.8.48+ (alpha support for auto-configuration)
+  - nginx/0.8.48+ (alpha support for auto-configuration, beta support in 0.14.0)
   - webroot (adds files to webroot directories in order to prove control of
     domains and obtain certs)
   - standalone (runs its own simple webserver to prove you control a domain)
@@ -157,7 +149,7 @@ Current Features
   runs https only (Apache only)
 * Fully automated.
 * Configuration changes are logged and can be reverted.
-* Supports ncurses and text (-t) UI, or can be driven entirely from the
+* Supports an interactive text UI, or can be driven entirely from the
   command line.
 * Free and Open Source Software, made with Python.